Properties of the Number -26398

Twenty-Six Thousand Three Hundred Ninety-Eight

Basics

Value: -26399 → -26398 → -26397

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 67 × 197

Divisors: 1, 2, 67, 134, 197, 394, 13199, 26398

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110011100011110

Octal: -63436

Duodecimal: -1333A

Hexadecimal: -671e

Square: 696854404

Square Root: 162.4746134016019

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of hybrid binary trees with n internal nodes. A7863

Number A(n,k) of hybrid k-ary trees with n internal nodes; square array A(n,k), n>=0, k>=1, read by antidiagonals. A245049

The number of odd numbers that require n Collatz (3x+1) iterations to reach 1. A176866

Indices of squares of primes in A098550. A251240

Augmentation of the Fibonacci triangle A193588. See Comments. A193589

a(n) = 6ⁿ - 5ⁿ - 4ⁿ - 3ⁿ + 3·2ⁿ. A81685

Triangle of numbers of hybrid rooted trees (divided by Fibonacci numbers). A11274